AS4721

Name: AS4721 — JCOM Co., Ltd.
Creator: ipdex

JCOM Co., Ltd. Unknown registered in Japan

162IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#13,922AS Rank

#25Rank in Japan

1995-08-30Allocated

JCOM Co., Ltd. (AS4721) — Unknown, registered in Japan. announces 162 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #25. Allocated: 1995-08-30.

IPv4 162IPv6 1

Announced prefixes · 163

v4 115.42.96.0/21 valid
v4 116.70.128.0/18 valid
v4 116.70.128.0/19 valid
v4 116.70.160.0/19 valid
v4 118.83.0.0/16 valid
v4 118.83.0.0/17 valid
v4 118.83.128.0/17 valid
v4 118.86.0.0/15 valid
v4 118.86.0.0/16 valid
v4 118.87.0.0/16 valid
v4 122.255.128.0/17 valid
v4 122.255.128.0/18 valid
v4 122.255.192.0/18 valid
v4 123.98.224.0/19 valid
v4 123.98.224.0/20 valid
v4 123.98.240.0/20 valid
v4 14.193.0.0/16 valid
v4 14.193.0.0/17 valid
v4 14.193.128.0/17 valid
v4 175.103.12.0/22 valid
v4 175.103.12.0/23 valid
v4 175.103.14.0/23 valid
v4 175.41.64.0/18 valid
v4 175.41.64.0/19 valid
v4 175.41.96.0/19 valid
v4 180.149.160.0/19 valid
v4 180.149.160.0/20 valid
v4 180.149.176.0/20 valid
v4 180.92.32.0/19 valid
v4 180.92.32.0/20 valid
v4 180.92.48.0/20 valid
v4 182.50.192.0/19 valid
v4 182.50.192.0/20 valid
v4 182.50.208.0/20 valid
v4 182.50.224.0/20 valid
v4 182.50.224.0/21 valid
v4 182.50.232.0/21 valid
v4 202.178.80.0/20 valid
v4 202.178.80.0/21 valid
v4 202.178.88.0/21 valid
v4 202.43.16.0/20 valid
v4 202.43.16.0/21 valid
v4 202.43.24.0/21 valid
v4 202.43.68.0/22 valid
v4 202.43.68.0/23 valid
v4 202.43.70.0/23 valid
v4 202.72.64.0/20 valid
v4 202.72.64.0/21 valid
v4 202.72.72.0/21 valid
v4 202.78.176.0/20 valid

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	163
2026-06-13	163

AS topology · Customer cone 1

Providers · 1

AS9824 JCOM Co., Ltd.

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